Enviroguard MicroGuard MP®, Microporous Shoe Cover, Size Large - Case of 400Description Using state of the art lamination technology, MicroGuard MP Microporous Shoe Covers combine a soft, non woven fabric with a microporous film. A tear resistant liquid and particulate barrier helps safeguard from blood penetration, various industrial chemicals, along with dust, dirt, and grime. This breathable fabric allows moisture to escape, so your feet are more cool and comfortable even as you sweat. These shoe covers come with a strong